Picked up this customer middle of last season...small $40 lawn. She liked what we did so she referred us to her neighbor across the street...little larger $50 lawn. First impressions was he was going to be a PITA but he has turned out to be pretty good...lots of extras like weed control, fert, seasonal color, pine straw. Now the first customer has started this "Can you skip my lawn this time" BS and dropping a ton of cheap fert on the lawn so when I go by their the lawn is a foot high. Just a bunch of stuff to piss me off. Normally I would let her go after the second time she pulls these stunts but Im a little hesitant to drop her because of fear of losing her referral. Today I serviced her referrals lawn and saw her other neighbor mowing her lawn. This didn't upset because now I know it wont be a foot high the next visit...if there is a next visit. How would you'll handle this client?